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Commit f3cafe45 by Feanil Patel
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Add elasticsearch instances to the cloudformation template.

parent 0969bc6e
Showing with 399 additions and 0 deletions
cloudformation_templates/edx-reference-architecture.json
...@@ -62,6 +62,29 @@ ...@@ -62,6 +62,29 @@
], ],
"ConstraintDescription":"must be a valid EC2 instance type." "ConstraintDescription":"must be a valid EC2 instance type."
}, },
"ElasticsearchInstanceType":{
"Description":"Worker EC2 instance type",
"Type":"String",
"Default":"m1.small",
"AllowedValues":[
"t1.micro",
"m1.small",
"m1.medium",
"m1.large",
"m1.xlarge",
"m2.xlarge",
"m2.2xlarge",
"m2.4xlarge",
"m3.xlarge",
"m3.2xlarge",
"c1.medium",
"c1.xlarge",
"cc1.4xlarge",
"cc2.8xlarge",
"cg1.4xlarge"
],
"ConstraintDescription":"must be a valid EC2 instance type."
},
"ForumInstanceType":{ "ForumInstanceType":{
"Description":"Worker EC2 instance type", "Description":"Worker EC2 instance type",
"Type":"String", "Type":"String",
...@@ -287,6 +310,11 @@ ...@@ -287,6 +310,11 @@
"Type":"Number", "Type":"Number",
"Default":"2" "Default":"2"
}, },
"ElasticsearchDesiredCapacity":{
"Description":"The Auto-scaling group desired capacity for the forums hosts",
"Type":"Number",
"Default":"2"
},
"ForumDesiredCapacity":{ "ForumDesiredCapacity":{
"Description":"The Auto-scaling group desired capacity for the forums hosts", "Description":"The Auto-scaling group desired capacity for the forums hosts",
"Type":"Number", "Type":"Number",
...@@ -435,6 +463,8 @@ ...@@ -435,6 +463,8 @@
"Cache02": { "CIDR":"10.0.61.0/24" }, "Cache02": { "CIDR":"10.0.61.0/24" },
"Worker01": { "CIDR":"10.0.70.0/24" }, "Worker01": { "CIDR":"10.0.70.0/24" },
"Worker02": { "CIDR":"10.0.71.0/24" }, "Worker02": { "CIDR":"10.0.71.0/24" },
"Elasticsearch01": { "CIDR":"10.0.80.0/24" },
"Elasticsearch02": { "CIDR":"10.0.81.0/24" },
"Forum01": { "CIDR":"10.0.80.0/24" }, "Forum01": { "CIDR":"10.0.80.0/24" },
"Forum02": { "CIDR":"10.0.81.0/24" }, "Forum02": { "CIDR":"10.0.81.0/24" },
"Mongo01": { "CIDR":"10.0.90.0/24" }, "Mongo01": { "CIDR":"10.0.90.0/24" },
...@@ -987,6 +1017,70 @@ ...@@ -987,6 +1017,70 @@
] ]
} }
}, },
"ElasticsearchSubnet01":{
"Type":"AWS::EC2::Subnet",
"Properties":{
"VpcId":{
"Ref":"EdxVPC"
},
"CidrBlock":{
"Fn::FindInMap":[
"SubnetConfig",
"Elasticsearch01",
"CIDR"
]
},
"AvailabilityZone":{
"Fn::FindInMap":[
"MapRegionsToAvailZones",
{ "Ref":"AWS::Region" },
"AZone0"
]
},
"Tags":[
{
"Key":"Application",
"Value":"forum"
},
{
"Key":"Network",
"Value":"Private"
}
]
}
},
"ElasticsearchSubnet02":{
"Type":"AWS::EC2::Subnet",
"Properties":{
"VpcId":{
"Ref":"EdxVPC"
},
"CidrBlock":{
"Fn::FindInMap":[
"SubnetConfig",
"Elasticsearch02",
"CIDR"
]
},
"AvailabilityZone":{
"Fn::FindInMap":[
"MapRegionsToAvailZones",
{ "Ref":"AWS::Region" },
"AZone1"
]
},
"Tags":[
{
"Key":"Application",
"Value":"forum"
},
{
"Key":"Network",
"Value":"Private"
}
]
}
},
"ForumSubnet01":{ "ForumSubnet01":{
"Type":"AWS::EC2::Subnet", "Type":"AWS::EC2::Subnet",
"Properties":{ "Properties":{
...@@ -1612,6 +1706,28 @@ ...@@ -1612,6 +1706,28 @@
} }
} }
}, },
"PrivateSubnetRouteTableAssociationElasticsearch01":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet01"
},
"RouteTableId":{
"Ref":"PrivateRouteTable"
}
}
},
"PrivateSubnetRouteTableAssociationElasticsearch02":{
"Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet02"
},
"RouteTableId":{
"Ref":"PrivateRouteTable"
}
}
},
"PrivateSubnetRouteTableAssociationForum01":{ "PrivateSubnetRouteTableAssociationForum01":{
"Type":"AWS::EC2::SubnetRouteTableAssociation", "Type":"AWS::EC2::SubnetRouteTableAssociation",
"Properties":{ "Properties":{
...@@ -1875,6 +1991,28 @@ ...@@ -1875,6 +1991,28 @@
} }
} }
}, },
"PrivateSubnetNetworkAclAssociationElasticsearch01":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet01"
},
"NetworkAclId":{
"Ref":"PrivateNetworkAcl"
}
}
},
"PrivateSubnetNetworkAclAssociationElasticsearch02":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{
"SubnetId":{
"Ref":"ElasticsearchSubnet02"
},
"NetworkAclId":{
"Ref":"PrivateNetworkAcl"
}
}
},
"PrivateSubnetNetworkAclAssociationForum01":{ "PrivateSubnetNetworkAclAssociationForum01":{
"Type":"AWS::EC2::SubnetNetworkAclAssociation", "Type":"AWS::EC2::SubnetNetworkAclAssociation",
"Properties":{ "Properties":{
...@@ -4270,6 +4408,267 @@ ...@@ -4270,6 +4408,267 @@
"Timeout":"1200" "Timeout":"1200"
} }
}, },
"ElasticsearchServer":{
"Type":"AWS::AutoScaling::LaunchConfiguration",
"Properties":{
"SecurityGroups":[
{
"Ref":"ElasticsearchServerSecurityGroup"
}
],
"ImageId":{
"Fn::FindInMap":[
"AWSRegionArch2AMI",
{
"Ref":"AWS::Region"
},
{
"Fn::FindInMap":[
"AWSInstanceType2Arch",
{
"Ref":"ElasticsearchInstanceType"
},
"Arch"
]
}
]
},
"UserData":{
"Fn::Base64":{
"Fn::Join":[
"",
[
"#!/bin/bash -x\n",
"exec >> /home/ubuntu/cflog.log\n",
"exec 2>> /home/ubuntu/cflog.log\n",
"function error_exit\n",
"{\n",
" cfn-signal -e 1 -r \"$1\" '",
{
"Ref":"ElasticsearchServerWaitHandle"
},
"'\n",
" exit 1\n",
"}\n",
"for dev in /dev/xvdc /dev/xvdd; do sudo echo w | fdisk $dev; sudo mkfs -t ext4 $dev;done;\n",
"sudo mkdir /mnt/logs\n",
"sudo mount /dev/xvdc /mnt/logs\n",
"sudo mount /dev/xvdd /opt\n",
"apt-get -y update\n",
"apt-get -y install python-setuptools\n",
"echo \"Python Tools installed\" - `date` >> /home/ubuntu/cflog.txt\n",
"easy_install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n",
"echo \"Cloudformation Boostrap installed \" - `date` >> /home/ubuntu/cflog.txt\n",
"# If all went well, signal success\n",
"cfn-signal -e $? -r 'Edx Server configuration' '",
{
"Ref":"ElasticsearchServerWaitHandle"
},
"'\n"
]
]
}
},
"KeyName":{
"Ref":"KeyName"
},
"InstanceType":{
"Ref":"ElasticsearchInstanceType"
},
"BlockDeviceMappings":[
{
"DeviceName":"/dev/xvdc",
"Ebs":{
"VolumeSize":"50"
}
},
{
"DeviceName":"/dev/xvdd",
"Ebs":{
"VolumeSize":"50"
}
}
]
}
},
"ElasticsearchServerASGroup":{
"Type":"AWS::AutoScaling::AutoScalingGroup",
"Properties":{
"AvailabilityZones":[
{
"Fn::GetAtt":[
"ElasticsearchSubnet01",
"AvailabilityZone"
]
},
{
"Fn::GetAtt":[
"ElasticsearchSubnet02",
"AvailabilityZone"
]
}
],
"VPCZoneIdentifier":[
{
"Ref":"ElasticsearchSubnet01"
},
{
"Ref":"ElasticsearchSubnet02"
}
],
"Tags":[
{
"Key":"role",
"Value":"elasticsearch",
"PropagateAtLaunch":true
},
{
"Key":"environment",
"Value":{
"Ref":"EnvironmentTag"
},
"PropagateAtLaunch":true
},
{
"Key":"deployment",
"Value":{
"Ref":"DeploymentTag"
},
"PropagateAtLaunch":true
}
],
"LaunchConfigurationName":{
"Ref":"ElasticsearchServer"
},
"MinSize":{
"Ref":"ElasticsearchDesiredCapacity"
},
"MaxSize":{
"Ref":"ElasticsearchDesiredCapacity"
},
"DesiredCapacity":{
"Ref":"ElasticsearchDesiredCapacity"
}
}
},
"ElasticsearchServerScaleUpPolicy":{
"Type":"AWS::AutoScaling::ScalingPolicy",
"Properties":{
"AdjustmentType":"ChangeInCapacity",
"AutoScalingGroupName":{
"Ref":"ElasticsearchServerASGroup"
},
"Cooldown":"60",
"ScalingAdjustment":"1"
}
},
"ElasticsearchServerScaleDownPolicy":{
"Type":"AWS::AutoScaling::ScalingPolicy",
"Properties":{
"AdjustmentType":"ChangeInCapacity",
"AutoScalingGroupName":{
"Ref":"ElasticsearchServerASGroup"
},
"Cooldown":"60",
"ScalingAdjustment":"-1"
}
},
"ElasticsearchCPUAlarmHigh":{
"Type":"AWS::CloudWatch::Alarm",
"Properties":{
"AlarmDescription":"Scale-up if CPU > 90% for 10 minutes",
"MetricName":"CPUUtilization",
"Namespace":"AWS/EC2",
"Statistic":"Average",
"Period":"300",
"EvaluationPeriods":"2",
"Threshold":"90",
"AlarmActions":[
{
"Ref":"ElasticsearchServerScaleUpPolicy"
}
],
"Dimensions":[
{
"Name":"AutoScalingGroupName",
"Value":{
"Ref":"ElasticsearchServerASGroup"
}
}
],
"ComparisonOperator":"GreaterThanThreshold"
}
},
"ElasticsearchCPUAlarmLow":{
"Type":"AWS::CloudWatch::Alarm",
"Properties":{
"AlarmDescription":"Scale-down if CPU < 70% for 10 minutes",
"MetricName":"CPUUtilization",
"Namespace":"AWS/EC2",
"Statistic":"Average",
"Period":"300",
"EvaluationPeriods":"2",
"Threshold":"70",
"AlarmActions":[
{
"Ref":"ElasticsearchServerScaleDownPolicy"
}
],
"Dimensions":[
{
"Name":"AutoScalingGroupName",
"Value":{
"Ref":"ElasticsearchServerASGroup"
}
}
],
"ComparisonOperator":"LessThanThreshold"
}
},
"ElasticsearchServerSecurityGroup":{
"Type":"AWS::EC2::SecurityGroup",
"Properties":{
"GroupDescription":"Open up SSH access plus Edx Server required ports",
"VpcId":{
"Ref":"EdxVPC"
},
"SecurityGroupIngress":[
{
"IpProtocol":"tcp",
"FromPort":"22",
"ToPort":"22",
"CidrIp":{
"Ref":"SSHLocation"
}
},
{
"IpProtocol":"tcp",
"FromPort": 9200,
"ToPort": 9200,
"CidrIp":"0.0.0.0/0"
},
{
"IpProtocol":"tcp",
"FromPort": 9300,
"ToPort": 9300,
"CidrIp":"0.0.0.0/0"
}
]
}
},
"ElasticsearchServerWaitHandle":{
"Type":"AWS::CloudFormation::WaitConditionHandle"
},
"ElasticsearchServerWaitCondition":{
"Type":"AWS::CloudFormation::WaitCondition",
"DependsOn":"ElasticsearchServer",
"Properties":{
"Handle":{
"Ref":"ElasticsearchServerWaitHandle"
},
"Timeout":"1200"
}
},
"ForumServer":{ "ForumServer":{
"Type":"AWS::AutoScaling::LaunchConfiguration", "Type":"AWS::AutoScaling::LaunchConfiguration",
"Properties":{ "Properties":{
......
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